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Questions and Answers
What is the equivalent energy of 0.1kg of Mars?
What is the equivalent energy of 0.1kg of Mars?
- 9.81 x 10^2 J
- 5.97 x 10^24 J
- 3.1416 x 10^13 J
- 1.9885 x 10^30 J (correct)
How does the energy of 0.1kg of Mars compare to the energy of 5.97 x 10^24 J?
How does the energy of 0.1kg of Mars compare to the energy of 5.97 x 10^24 J?
- It is impossible to compare
- It is greater than 5.97 x 10^24 J (correct)
- It is equal to 5.97 x 10^24 J
- It is less than 5.97 x 10^24 J
What type of energy is represented by the equivalent energy of 0.1kg of Mars?
What type of energy is represented by the equivalent energy of 0.1kg of Mars?
- Thermal energy
- Mass-energy (correct)
- Nuclear energy
- Kinetic energy
Why is the equivalent energy of 0.1kg of Mars so high?
Why is the equivalent energy of 0.1kg of Mars so high?
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Study Notes
Energy Equivalence
- The equivalent energy of 0.1kg of Mars can be calculated using Einstein's famous equation E=mc^2, where E is energy, m is mass, and c is the speed of light.
- The energy of 0.1kg of Mars is significantly higher than 5.97 x 10^24 J
- The energy represented by the equivalent energy of 0.1 kg of Mars is rest energy, which is the energy an object possesses due to its mass.
- The equivalent energy of 0.1 kg of Mars is so high because the speed of light (c) is a very large number, and the energy is proportional to the square of the speed of light.
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